1. Material: aluminum alloy shell + plastic. 2. Total weight: 42g. Color: metal gray. 3. Size: 75mm*43.5mm*14.5mm. 4. Working voltage and current: DC5V/900mA; Product interface: Type-C. 5. Reading and writing speed: Transmission and reading data rate (MB/s): 400-450MB/s; Transmission and writing data rate (MB/s): 300-350MB/s; Reading and writing speed under USB2.0 interface is 30MB/s. 6. Operating system compatibility: Windows XP/7/8 or higher; Mac OS X 10.5 or higher; Linux 2.4.x or higher; Android 4.0 or higher (the device needs to support OTG). 7. Configuration list: hard disk + cable (cable: TYPE-C to USB-A plus USB-A female to TYPE-C male 3.0 functional transfer cable, cable length 30cm).